Ti2

 

Ti2_1

 

An old postcard, depicting an unknown G52, photographed in Zegrze near Warsaw (at that time a military establishment), probably in early 1918. From my collection. 

 

Ti2_sc

 

Side drawing of the G52, © Lokomotiv-Revue (source: TB vol. 1).

 

 

This locomotive is probably a G52 used by German army, photographed in Warsaw in 1915. Photo by R. Seennecke (source: www.commons.wikimedia.org).

 

 

KPEV Halle 1222 (Borsig 4861/1900); I have no information on the ultimate gate of this engine. Source: Die Lokomotive April 1910 via www.de.wikipedia.org.

 

 

 

 

 

 

 

First Prussian (and European) freight locomotive with the 1-3-0 axle arrangement, later classed G51, fitted with the single-expansion steam engine, was built in 268 examples between 1892 and 1902. Despite the appearance of the first freighter with four coupled axles – later classed G71 – as early as in 1893, development of freight Moguls for KPEV continued. In 1895 Hanomag proposed a compound version, which was accepted and soon ordered in quantity. Boiler remained almost unchanged, but steam pressure was increased from 10 to 12 bar. New engine, externally almost identical with its predecessor, was slightly longer and heavier.

Between 1895 and 1901 Prussian state railways KPEV received 499 examples, classed G52, from BMAG, Borsig, Grafenstaden, Hanomag, Henschel and Schichau. Further 215 examples were built until 1908 for Reichseisenbahn Elsaß-Lothringen of then-German Alsace and Lorraine; of these five were taken over by Mecklemburgische Staatsbahn in 1920. Typically all G52s were coupled with three-axle 3T12 tenders. During WWI these rather elderly engines proved unexpectedly necessary for service in the East, where their moderate axle load was a great advantage, and many were transferred eastwards. After the war, 187 Prussian G52s were taken over by foreign railway managements, the largest numbers going to Poland (76) and France (57 – excluding those previously used by the railways of Alsace and Lorraine). German railways were left with 317 examples, of which only 186 were given new service numbers (DRG class 542-3) in 1925. Most were withdrawn in early 1930s. Ex-Polish engines, captured during WWII, were numbered 54 701 through 723.

In Poland these locomotives were classed Ti2; the highest known service number is Ti2-74, so most probably two had been withdrawn before new designation system was introduced. Withdrawals started in mid-1930s and until the outbreak of WWII 31 examples had been written off. As these locomotives were assigned mainly to regional managements in Eastern Poland, in September 1939 as many as 38 fell into Soviet hands (plus three withdrawn in February 1939). Later 27 of them were captured by Germans and impressed into DRG or Ostbahn; some other were handed over to railway construction enterprises, as they were too weak for line service. Immediately after the war fifteen ex-PKP Ti2s were returned, but only seven were given new service numbers; they remained in use until early 1950s, the last one (Schichau 992/1899, ex KPEV Kattowitz 4190) being withdrawn in July 1954. Eight saw no service and were formally written off in February 1946. Further seven examples, returned by DR in late 1955, all in a very poor condition, were scrapped. As far as I know, not a single G52 has survived until today.

 

  


Main technical data

 

No.

Parameter

Unit

Value

1.

Years of manufacture

-

1895 –1908 

2.

Total built / used in Poland

-

714 / 74

3.

Tender class

-

12C1

4.

Axle arrangement

-

1-3-0

5.

Design maximum speed

km/h

65

6.

Cylinder bore

mm

480 / 680

7.

Piston stroke

mm

630

8.

Engine rating

kW/hp

9.

Tractive effort

kG

8 100

10.

Boiler pressure

MPa

1.22

11.

Grate dimensions

m X m

2.25 m2

12.

Firebox heating surface

m2

13.

Distance between tube plates

mm

14.

Number of flue tubes

-

15.

Heating surface of flue tubes

m2

16.

Number of smoke tubes

-

-

17.

Heating surface of smoke tubes

m2

-

18.

Evaporating surface, total

m2

137.0

19.

Superheater heating surface

m2

-

20.

Diameter of drivers

mm

1350

21.

Diameter of idlers front/rear

mm

1000 / -

22.

Total weight, empty

kg

23.

Total weight, working order

kg

50 000

24.

Weight on drivers, working order

kg

40 600

25.

Weight with tender, empty

kg

26.

Weight with tender, working order

kg

85 800

27.

Maximum axle load

T

13.5

28.

Axle base (with tender)

mm

12 750

29.

Overall length (with tender)

mm

16 170

30.

Brake type

-

hand / steam

 

 

References and acknowledgments

 

-       www.lokomotive.de/lokomotivgeschichte/datenbank (Ingo Hütter’s database);

-       LP, TB vol. 1;